{"url_path":"/weather/alerts/2.49.0.1.840.0.c4de4b90b4a2cf7b99c2a418a4192af56ba7bffd.001.1","section_key":"alert","section_title":"Heat Advisory issued July 15 at 8:24AM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-15","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c4de4b90b4a2cf7b99c2a418a4192af56ba7bffd.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Baltimore MD/Washington DC"},"word_count":244,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 15 at 8:24AM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** District of Columbia; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; St. Marys; Calvert; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Rappahannock; Culpeper; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; King George; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park\n**Issued by:** NWS Baltimore MD/Washington DC\n**Sent:** 2026-07-15T08:24:00-04:00\n**Effective:** 2026-07-15T08:24:00-04:00\n**Expires:** 2026-07-15T20:00:00-04:00\n\n## Description\n* WHAT...Heat index values of 105 to 109.\n\n* WHERE...Washington DC, and portions of central, north central,\nnortheast, northern, and southern Maryland, and central, northern,\nand northwest Virginia.\n\n* WHEN...Until 8 PM EDT this evening.\n\n* IMPACTS...Hot temperatures and high humidity may cause heat\nillnesses.\n\n## Instructions\nDrink plenty of fluids, stay in an air-conditioned room, stay out of\nthe sun, and check up on relatives and neighbors.\n\nTake extra precautions when outside. Wear lightweight and loose\nfitting clothing. Try to limit strenuous activities to early morning\nor evening. Take action when you see symptoms of heat exhaustion and\nheat stroke.\n\nTo reduce risk during outdoor work, the Occupational Safety and\nHealth Administration recommends scheduling frequent rest breaks in\nshaded or air conditioned environments. Anyone overcome by heat\nshould be moved to a cool and shaded location. Heat stroke is an\nemergency! In cases of heat stroke, call 9 1 1."}